7 papers · 1 filter
Path integral quantization of the electromagnetic field in nonlinear dielectric materials
Arman Kashef, Oscar Perearnau Herrero, Alexander Szameit +2
We construct a quantum theory of light in nonlinear dielectric media with dispersion and absorption. We employ a mesoscopic model for the light-matter interaction that include a fo…
Pairing particles into holonomies
Vera Neef, Matthias Heinrich, Tom A. W. Wolterink +1
Holonomies are of great interest to quantum computation and simulation. The geometrical nature of these entities offers increased stability to quantum gates. Furthermore, symmetrie…
Non-Exponential Decay in Finite Photonic Waveguide Arrays
Florian H. Huber, Benedikt Braumandl, Johannes Knörzer +5
Open quantum-system dynamics can follow exponential decay, non-exponential relaxation, or oscillatory dynamics, depending on the system-environment coupling. We study a lattice wit…
Engineering Non-Hermitian Quantum Evolution Using a Hermitian Bath Environment
Mahmoud A. Selim, Max Ehrhardt, Yuqiang Ding +9
Engineering quantum bath networks through non-Hermitian subsystem Hamiltonians has recently emerged as a promising strategy for qubit cooling, state stabilization, and fault-tolera…
Selective Filtering of Photonic Quantum Entanglement via Anti-Parity-Time Symmetry
Mahmoud A. Selim, Max Ehrhardt, Yuqiang Ding +8
Entanglement is a key resource for quantum computing, sensing, and communication, however it is highly susceptible to decoherence. To address this, quantum optics has explored filt…
State Transfer in Latent-Symmetric Networks
Jonas Himmel, Max Ehrhardt, Matthias Heinrich +5
The transport of quantum states is a crucial aspect of information processing systems, facilitating operations such as quantum key distribution and inter-component communication wi…